basics of the livetrax TC widget

gtk2_ardour/ardour_ui_dependents.cc

@@ -51,6 +51,7 @@
 #include "luainstance.h"
 #include "luawindow.h"
 #include "livetrax_meters.h"
+#include "livetrax_tc_widget.h"
 #include "main_clock.h"
 #include "meterbridge.h"
 #include "mixer_ui.h"
@@ -429,6 +430,10 @@ ARDOUR_UI::livetrax_setup_windows ()
 	vb->pack_start (*livetrax_sr_button, false, false);
 	livetrax_top_bar.pack_start (*vb, false, false);
 
+	CairoWidget* cw = new LiveTraxTCWidget;
+	cw->show ();
+	livetrax_top_bar.pack_start (*cw, false, false);
+
 	vb = manage (new VBox);
 	vb->pack_start (*ev_dsp, true, true);
 	vb->pack_start (disk_space_label, true, true);

gtk2_ardour/livetrax_tc_widget.cc

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2024 Paul Davis <paul@linuxaudiosystems.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <iostream>
+
+#include "livetrax_tc_widget.h"
+#include "ui_config.h"
+
+LiveTraxTCWidget::LiveTraxTCWidget()
+{
+	Gtkmm2ext::Color c;
+	c = UIConfiguration::instance().color ("widget:blue");
+	Gtkmm2ext::color_to_rgba (c, bg_r, bg_g, bg_b, bg_a);
+	c = UIConfiguration::instance().color ("neutral:foreground");
+	Gtkmm2ext::color_to_rgba (c, txt_r, txt_g, txt_b, txt_a);
+	c = UIConfiguration::instance().color ("theme:bg1");
+	Gtkmm2ext::color_to_rgba (c, fg_r, fg_g, fg_b, fg_a);
+}
+
+bool
+LiveTraxTCWidget::on_button_release_event (GdkEventButton* ev)
+{
+	std::cerr << "here\n";
+	return true;
+}
+
+void
+LiveTraxTCWidget::render (Cairo::RefPtr<Cairo::Context> const & context, cairo_rectangle_t*)
+{
+	/* draw the background */
+	context->set_source_rgba (bg_r, bg_g, bg_b, 1.);
+	context->rectangle (0, 0, get_width(), get_height());
+	context->fill ();
+
+	Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (context);
+	layout->set_text ("TC\nSource");
+	layout->set_font_description (UIConfiguration::instance().get_NormalBoldFont());
+	context->move_to (get_width() / 2.0 + 10., 10.);
+	context->set_source_rgba (txt_r, txt_g, txt_b, 1.);
+	layout->show_in_cairo_context (context);
+
+	double rect_width = (get_width() / 2.);
+	double rect_height = (get_height() - 3.) / 2.;
+
+
+	context->set_source_rgba (fg_r, fg_g, fg_b, 1.);
+	context->rectangle (1., 1., rect_width, rect_height);
+	context->fill ();
+
+	context->set_source_rgba (fg_r, fg_g, fg_b, 1.);
+	context->rectangle (1., 2 + rect_height, rect_width, rect_height);
+	context->fill ();
+
+	layout->set_text ("LTC");
+	layout->set_font_description (UIConfiguration::instance().get_NormalFont());
+	context->move_to (4., 3.); // XXXX need to adjust by + text height/2
+	context->set_source_rgba (txt_r, txt_g, txt_b, 1.);
+	layout->show_in_cairo_context (context);
+
+	layout->set_text ("25 FPS");
+	layout->set_font_description (UIConfiguration::instance().get_NormalFont());
+	context->move_to (4., 3. + rect_height); // XXXX need to adjust by + text height/2
+	context->set_source_rgba (txt_r, txt_g, txt_b, 1.);
+	layout->show_in_cairo_context (context);
+}
+
+void
+LiveTraxTCWidget::parameter_changed (std::string const & param)
+{
+}
+
+void
+LiveTraxTCWidget::on_size_request (Gtk::Requisition* r)
+{
+	r->width = 150;
+	r->height = -1;
+}

gtk2_ardour/livetrax_tc_widget.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2024 Paul Davis <paul@linuxaudiosystems.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __gtk2_ardour_livetrax_tc_widget_h__
+#define __gtk2_ardour_livetrax_tc_widget_h__
+
+#include "gtkmm2ext/cairo_widget.h"
+
+class LiveTraxTCWidget : public CairoWidget
+{
+  public:
+	LiveTraxTCWidget ();
+
+	bool on_button_release_event (GdkEventButton*);
+	void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
+	void parameter_changed (std::string const &);
+	void on_size_request (Gtk::Requisition*);
+
+  private:
+	double bg_r, bg_g, bg_b, bg_a;
+	double fg_r, fg_g, fg_b, fg_a;
+	double txt_r, txt_g, txt_b, txt_a;
+};
+
+#endif /* __gtk2_ardour_livetrax_tc_widget_h__ */

gtk2_ardour/wscript

@@ -145,6 +145,7 @@ gtk2_ardour_sources = [
         'library_download_dialog.cc',
 	'livetrax_add_track_dialog.cc',
 	'livetrax_meters.cc',
+	'livetrax_tc_widget.cc',
         'location_ui.cc',
         'loudness_dialog.cc',
         'loudness_settings.cc',